Ticket #50513: 50513.patch

wp-includes/comment.php

@@ -3823 +3823 @@
         // Empty comment type found? We'll need to run this script again.
         wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_update_comment_type_batch' );
 
-        // Update the `comment_type` field value to be `comment` for the next 100 rows of comments.
+        $comment_batch_size = intval( apply_filters( 'wp_comment_batch_update_size', 100 ) );
+
+        // Update the `comment_type` field value to be `comment` for the next ($comment_batch_size) rows of comments.
         $wpdb->query(
                 "UPDATE {$wpdb->comments}
                 SET comment_type = 'comment'
                 WHERE comment_type = ''
                 ORDER BY comment_ID DESC
-                LIMIT 100"
+                LIMIT {$comment_batch_size}"
         );
 
         delete_option( $lock_name );